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Performs distance sampling simulations. 'dsims' repeatedly generates instances of a user defined population within a given survey region. It then generates realisations of a survey design and simulates the detection process. The data are then analysed so that the results can be compared for accuracy and precision across all replications. This process allows users to optimise survey designs for their specific set of survey conditions. The effects of uncertainty in population distribution or parameters can be investigated under a number of simulations so that users can be confident that they have achieved a robust survey design before deploying vessels into the field. The distance sampling designs used in this package from 'dssd' are detailed in Chapter 7 of Advanced Distance Sampling, Buckland et. al. (2008, ISBN-13: 978-0199225873). General distance sampling methods are detailed in Introduction to Distance Sampling: Estimating Abundance of Biological Populations, Buckland et. al. (2004, ISBN-13: 978-0198509271). Find out more about estimating animal/plant abundance with distance sampling at <http://distancesampling.org/>.
| Version: | 1.0.4 |
| Depends: | dssd (≥ 0.2.2) |
| Imports: | mrds, Distance, sf, ggplot2, purrr, dplyr, mgcv, methods, rstudioapi, gridExtra, rlang |
| Suggests: | testthat, parallel, pbapply, knitr, lwgeom, rmarkdown |
| Published: | 2023-11-29 |
| DOI: | 10.32614/CRAN.package.dsims |
| Author: | Laura Marshall [aut, cre], Thomas Len [ctb] |
| Maintainer: | Laura Marshall <lhm at st-and.ac.uk> |
| BugReports: | https://github.com/DistanceDevelopment/dsims/issues |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| URL: | https://github.com/DistanceDevelopment/dsims |
| NeedsCompilation: | no |
| Language: | en-GB |
| Materials: | README NEWS |
| CRAN checks: | dsims results |
| Reference manual: | dsims.pdf |
| Vignettes: |
Getting Started with dsims |
| Package source: | dsims_1.0.4.tar.gz |
| Windows binaries: | r-devel: dsims_1.0.4.zip, r-release: dsims_1.0.4.zip, r-oldrel: dsims_1.0.4.zip |
| macOS binaries: | r-release (arm64): dsims_1.0.4.tgz, r-oldrel (arm64): dsims_1.0.4.tgz, r-release (x86_64): dsims_1.0.4.tgz, r-oldrel (x86_64): dsims_1.0.4.tgz |
| Old sources: | dsims archive |
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.